From: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
To: Mat Martineau <mathewm@codeaurora.org>
Cc: linux-bluetooth@vger.kernel.org, gustavo@padovan.org,
pkrystad@codeaurora.org
Subject: Re: [RFCv0 05/21] Bluetooth: Lookup channel id for channel move
Date: Thu, 26 Jul 2012 16:30:38 +0300 [thread overview]
Message-ID: <20120726133036.GB2686@aemeltch-MOBL1> (raw)
In-Reply-To: <1343260274-11953-6-git-send-email-mathewm@codeaurora.org>
Hi Mat,
On Wed, Jul 25, 2012 at 04:50:57PM -0700, Mat Martineau wrote:
> Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
> ---
> net/bluetooth/l2cap_core.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index d7a501e..176a81d 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -97,6 +97,21 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 ci
> return c;
> }
>
> +/* Find channel with given DCID.
> + * Returns locked channel. */
I believe the comment is not needed here.
> +static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid)
> +{
> + struct l2cap_chan *c;
> +
> + mutex_lock(&conn->chan_lock);
> + c = __l2cap_get_chan_by_dcid(conn, cid);
> + if (c)
> + l2cap_chan_lock(c);
> + mutex_unlock(&conn->chan_lock);
> +
> + return c;
> +}
> +
> static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident)
> {
> struct l2cap_chan *c;
> @@ -4086,6 +4101,7 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
> u16 cmd_len, void *data)
> {
> struct l2cap_move_chan_req *req = data;
> + struct l2cap_chan *chan;
> u16 icid = 0;
> u16 result = L2CAP_MR_NOT_ALLOWED;
>
> @@ -4099,9 +4115,14 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
> if (!enable_hs)
> return -EINVAL;
>
> + chan = l2cap_get_chan_by_dcid(conn, icid);
> +
> /* Placeholder: Always refuse */
> l2cap_send_move_chan_rsp(conn, cmd->ident, icid, result);
>
> + if (chan)
> + l2cap_chan_unlock(chan);
> +
this part does not change anything, might be merged with later patch which
would add functionality.
Best regards
Andrei Emeltchenko
next prev parent reply other threads:[~2012-07-26 13:30 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 23:50 [RFCv0 00/21] L2CAP signaling for AMP channel create/move Mat Martineau
2012-07-25 23:50 ` [RFCv0 01/21] Bluetooth: Add new l2cap_chan struct members for high speed channels Mat Martineau
2012-07-25 23:50 ` [RFCv0 02/21] Bluetooth: Factor out common L2CAP connection code Mat Martineau
2012-07-25 23:50 ` [RFCv0 03/21] Bluetooth: Add L2CAP create channel request handling Mat Martineau
2012-07-26 13:13 ` Andrei Emeltchenko
2012-07-26 15:04 ` Mat Martineau
2012-07-26 19:43 ` Andrei Emeltchenko
2012-07-25 23:50 ` [RFCv0 04/21] Bluetooth: Process create response and connect response identically Mat Martineau
2012-08-14 10:12 ` Andrei Emeltchenko
2012-08-14 17:25 ` Mat Martineau
2012-07-25 23:50 ` [RFCv0 05/21] Bluetooth: Lookup channel id for channel move Mat Martineau
2012-07-26 13:30 ` Andrei Emeltchenko [this message]
2012-07-26 15:07 ` Mat Martineau
2012-07-25 23:50 ` [RFCv0 06/21] Bluetooth: Channel move request handling Mat Martineau
2012-07-26 13:59 ` Andrei Emeltchenko
2012-07-27 16:54 ` Mat Martineau
2012-08-06 8:44 ` Andrei Emeltchenko
2012-08-06 16:33 ` Mat Martineau
2012-08-07 8:31 ` Andrei Emeltchenko
2012-07-25 23:50 ` [RFCv0 07/21] Bluetooth: Add new ERTM receive states for channel move Mat Martineau
2012-07-25 23:51 ` [RFCv0 08/21] Bluetooth: Add move channel confirm handling Mat Martineau
2012-07-26 14:28 ` Andrei Emeltchenko
2012-07-26 15:16 ` Mat Martineau
2012-07-25 23:51 ` [RFCv0 09/21] Bluetooth: Move channel response Mat Martineau
2012-07-25 23:51 ` [RFCv0 10/21] Bluetooth: Add logical link confirm Mat Martineau
2012-07-26 14:41 ` Andrei Emeltchenko
2012-07-26 15:24 ` Mat Martineau
2012-07-25 23:51 ` [RFCv0 11/21] Bluetooth: Add move confirm response handling Mat Martineau
2012-07-26 14:45 ` Andrei Emeltchenko
2012-07-26 15:33 ` Mat Martineau
2012-07-25 23:51 ` [RFCv0 12/21] Bluetooth: Add state to hci_chan Mat Martineau
2012-07-26 19:54 ` Andrei Emeltchenko
2012-07-25 23:51 ` [RFCv0 13/21] Bluetooth: Indentation fixes Mat Martineau
2012-07-25 23:51 ` [RFCv0 14/21] Bluetooth: Handle physical link completion Mat Martineau
2012-08-15 13:51 ` Andrei Emeltchenko
2012-08-15 16:56 ` Mat Martineau
2012-08-16 7:23 ` Andrei Emeltchenko
2012-07-25 23:51 ` [RFCv0 15/21] Bluetooth: Enable data sends on AMP controller Mat Martineau
2012-07-25 23:51 ` [RFCv0 16/21] Bluetooth: Do not send data during channel move Mat Martineau
2012-07-25 23:51 ` [RFCv0 17/21] Bluetooth: Configure appropriate timeouts for AMP controllers Mat Martineau
2012-07-25 23:51 ` [RFCv0 18/21] Bluetooth: Ignore BR/EDR packet size constraints when fragmenting for AMP Mat Martineau
2012-07-25 23:51 ` [RFCv0 19/21] Bluetooth: Tie AMP link setup to connect/disconnect Mat Martineau
2012-07-25 23:51 ` [RFCv0 20/21] Bluetooth: Do not process ERTM reject during move Mat Martineau
2012-07-25 23:51 ` [RFCv0 21/21] Bluetooth: Start channel move when socket option is changed Mat Martineau
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